... * Perfectservice OEM PVC cute cartoon 4GB usb flash drive for promotion USB Flash Drive SpecificationAvalable capacityCommon size: 32MB-16GBBig ... so on.MaterialABS, PVC/silicon, metal, wood/bamboo for choiceLogo Printingsilk printing, embossing, hot stamping, full color ... as per buyer's needs. Addtional serivePre-load data,boot autorun, password protection,space partitionInterfaceUSB2.0BatteryNo need ...